78671128

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{239851}}^1$

素因数の和:239898

約数の個数: 16

約数和(自身を含む): 151106760

約数和(自身を除く): 72435632

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 239851, 479702, 959404, 1918808, 9833891, 19667782, 39335564, 78671128]

約数ペア:

[(1, 78671128), (2, 39335564), (4, 19667782), (8, 9833891), (41, 1918808), (82, 959404), (164, 479702), (328, 239851)]